Revert "BlockFrequency: Saturate at 1 instead of 0 when multiplying a frequency with a branch probability."
This reverts commit r184584. Breaks PPC selfhost.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184590 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/unittests/Support/BlockFrequencyTest.cpp b/unittests/Support/BlockFrequencyTest.cpp
index bcb88c8..ff66bc4 100644
--- a/unittests/Support/BlockFrequencyTest.cpp
+++ b/unittests/Support/BlockFrequencyTest.cpp
@@ -8,22 +8,11 @@
namespace {
-TEST(BlockFrequencyTest, ZeroToZero) {
- BlockFrequency Freq(0);
- BranchProbability Prob(UINT32_MAX - 1, UINT32_MAX);
- Freq *= Prob;
- EXPECT_EQ(Freq.getFrequency(), 0u);
-
- Freq = 1;
- Freq *= BranchProbability::getZero();
- EXPECT_EQ(Freq.getFrequency(), 0u);
-}
-
TEST(BlockFrequencyTest, OneToZero) {
BlockFrequency Freq(1);
BranchProbability Prob(UINT32_MAX - 1, UINT32_MAX);
Freq *= Prob;
- EXPECT_EQ(Freq.getFrequency(), 1u);
+ EXPECT_EQ(Freq.getFrequency(), 0u);
}
TEST(BlockFrequencyTest, OneToOne) {